Start Debugging

Blog

Page 42 of 102

2026-07-17 errors dotnet dotnet-11

Fix: "413 Request Entity Too Large" when uploading a file to an ASP.NET Core endpoint

Kestrel caps request bodies at 30,000,000 bytes by default and returns 413 when you exceed it. Raise MaxRequestBodySize globally, per endpoint, or in web.config behind IIS.

2026-07-17 errors mcp claude-code

Fix: all MCP servers fail to load after one malformed-JSON syntax error in the config

One trailing comma or unescaped Windows path in your MCP config makes every server vanish, not just the broken one. Validate the JSON, fix the five usual suspects, restart.

2026-07-17 errors csharp dotnet

Fix: System.InvalidOperationException: Headers are read-only, response has already started

You set a header, status code, or content type after the body was already flushed. Set all headers before the first write, or guard with HttpResponse.HasStarted and OnStarting.

2026-07-17 errors csharp dotnet

Fix: "The property could not be mapped, because it is not a supported primitive type or a valid entity type" in EF Core 11

EF Core hit a property it does not know how to store. Map it as a complex type, convert it with HasConversion, give it a key, or ignore it with [NotMapped].

2026-07-17 github-copilot ai-agents llm

How to Set Per-Session AI Credit Spend Limits in the Copilot CLI and SDK

Copilot CLI 1.0.66 and SDK 1.0.5 (public preview, July 1 2026) add per-session AI credit limits. Cap what a single agent run can spend with --max-ai-credits, /limits set, or SessionLimitsConfig, and understand why it is a soft cap that can overshoot.

2026-07-14 claude-code ai-agents vim

Claude Code 2.1.208 Lets You Remap jj to Escape in Vim Insert Mode

Claude Code 2.1.208 (July 14, 2026) adds vimInsertModeRemaps, so vim users can map two-key insert-mode sequences like jj to Escape in the prompt editor. Plus a screen reader mode and a corporate process wrapper.

2026-07-14 cursor mcp ai-agents

How to Distribute a Team MCP Server Config Across Cursor Cloud Agents and the IDE

Commit .cursor/mcp.json for the IDE, register shared servers under Dashboard > Integrations & MCP for cloud agents, and keep secrets out of git with ${env:...}. The full two-surface setup for Cursor 3.11 (July 2026), including why the repo file alone does not reach cloud agents.

2026-07-14 flutter dart animation

How to add a Hero animation between two screens in Flutter

Wrap the same widget on both routes in a Hero with an identical tag and Flutter animates its position and size across the navigation. Full guide: images, flightShuttleBuilder, createRectTween, RectTween arcs, gesture transitions, and the tag collisions that break it. Tested on Flutter 3.44, Dart 3.12.

2026-07-14 csharp dotnet dotnet-11

How to add response compression to an ASP.NET Core 11 API

A complete guide to response compression in ASP.NET Core 11: AddResponseCompression and UseResponseCompression, the new built-in Zstandard provider alongside Brotli and Gzip, compression levels, EnableForHttps and the CRIME/BREACH risk, custom MIME types, middleware ordering, and when to let the reverse proxy do it instead.

2026-07-14 csharp dotnet dotnet-11

How to return a typed Results<T1, T2> union from a minimal API endpoint in ASP.NET Core 11

Declare the handler's return type as Results<Ok<T>, NotFound> and return TypedResults.Ok / TypedResults.NotFound: the union gives compile-time checking that the handler only returns what it declares, and it self-describes to OpenAPI so you never write .Produces by hand. Covers async handlers, the six-type limit, and testing in ASP.NET Core 11.